{"id":15521,"date":"2023-12-04T20:32:29","date_gmt":"2023-12-04T12:32:29","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15521"},"modified":"2023-12-04T20:33:20","modified_gmt":"2023-12-04T12:33:20","slug":"oracle-zhong-rowidrownum-de-ding-yi","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-rowidrownum-de-ding-yi\/","title":{"rendered":"Oracle \u4e2d rowid\u3001rownum \u7684\u5b9a\u4e49\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c<code>ROWID<\/code> \u548c <code>ROWNUM<\/code> \u662f\u4e24\u4e2a\u7528\u4e8e\u5b9a\u4f4d\u548c\u64cd\u4f5c\u884c\u7684\u7279\u6b8a\u5c5e\u6027\uff1a<\/p>\n<ol>\n<li>\n<strong>ROWID<\/strong>\uff1a<\/p>\n<ul>\n<li><code>ROWID<\/code> \u662f Oracle \u4e2d\u7684\u4f2a\u5217\uff0c\u5b83\u4ee3\u8868\u6570\u636e\u5e93\u4e2d\u6bcf\u4e00\u884c\u7684\u7269\u7406\u5730\u5740\u3002\u6bcf\u4e2a <code>ROWID<\/code> \u662f\u552f\u4e00\u7684\uff0c\u6807\u8bc6\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u884c\u6570\u636e\u5728\u6570\u636e\u6587\u4ef6\u4e2d\u7684\u5b58\u50a8\u4f4d\u7f6e\u3002<\/li>\n<li><code>ROWID<\/code> \u662f\u4e00\u4e32\u5b57\u7b26\uff0c\u53ef\u4ee5\u7528\u4e8e\u552f\u4e00\u5730\u6807\u8bc6\u6570\u636e\u5e93\u4e2d\u7684\u6bcf\u4e00\u884c\u6570\u636e\u3002\u5b83\u7531\u6570\u636e\u5bf9\u8c61\u7f16\u53f7\u3001\u6587\u4ef6\u7f16\u53f7\u3001\u5757\u7f16\u53f7\u548c\u884c\u53f7\u7ec4\u6210\uff0c\u7c7b\u4f3c\u4e8e <code>AAAABBBB.CCCC.DDDD<\/code> \u7684\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>ROWNUM<\/strong>\uff1a<\/p>\n<ul>\n<li><code>ROWNUM<\/code> \u662f Oracle \u63d0\u4f9b\u7684\u4f2a\u5217\uff0c\u7528\u4e8e\u6807\u8bc6\u8fd4\u56de\u7684\u884c\u5728\u7ed3\u679c\u96c6\u4e2d\u7684\u884c\u53f7\u3002\u5b83\u5728\u884c\u8fd4\u56de\u4e4b\u540e\uff0c\u6309\u7167\u987a\u5e8f\u81ea\u52a8\u5206\u914d\u7ed9\u7ed3\u679c\u96c6\u4e2d\u7684\u884c\u3002<\/li>\n<li><code>ROWNUM<\/code> \u5728\u884c\u7ea7\u522b\u5904\u7406\uff0c\u5f53\u7ed3\u679c\u96c6\u88ab\u8fd4\u56de\u7ed9\u7528\u6237\u65f6\uff0c\u6bcf\u884c\u90fd\u88ab\u8d4b\u4e88\u4e00\u4e2a\u552f\u4e00\u7684\u884c\u53f7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u4f53\u6765\u8bf4\uff0c<code>ROWID<\/code> \u662f\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u6570\u636e\u5e93\u4e2d\u6bcf\u4e00\u884c\u7684\u7269\u7406\u5730\u5740\uff0c\u800c <code>ROWNUM<\/code> \u662f\u7528\u4e8e\u8868\u793a\u7ed3\u679c\u96c6\u4e2d\u8fd4\u56de\u7684\u884c\u5728\u7ed3\u679c\u4e2d\u7684\u4f4d\u7f6e\u3002<code>ROWID<\/code> \u53ef\u4ee5\u7528\u4e8e\u76f4\u63a5\u8bbf\u95ee\u548c\u5b9a\u4f4d\u6570\u636e\u5e93\u4e2d\u7684\u884c\uff0c\u800c <code>ROWNUM<\/code> \u901a\u5e38\u7528\u4e8e\u5728\u7ed3\u679c\u96c6\u4e2d\u7b5b\u9009\u548c\u9650\u5236\u884c\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0cROWID \u548c ROWNUM \u662f\u4e24\u4e2a\u7528\u4e8e\u5b9a\u4f4d\u548c\u64cd\u4f5c\u884c\u7684\u7279\u6b8a\u5c5e\u6027\uff1a ROWID\uff1a ROWI [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15521","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15521"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15521\/revisions"}],"predecessor-version":[{"id":15522,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15521\/revisions\/15522"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15521"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}